<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <h1>{{info}}</h1>
    <input type="button" value="get请求" @click="f1()">
</div>

<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>

<script>

        let v=new Vue({
                el:"body>div",
                data:{
                    info:"hello  aaa"
                },
                methods:{
                    f1(){
                        axios.get("/helloAxios?info=123").then(function (response) {
                           alert(response.data);
                        })
                    }
                }
            })

</script>
</body>
</html>